It works with a Search and Delete mode. It can be easily uninstalled using the mode "Uninstall".

It's compatible with Windows XP, Vista, 7, 8 in 32 & 64 bits.

Important note : We were warned by a comment that the SmartScreen filter in Internet Explorer blocks the downloadofAdwCleaner.This is obviouslya false alarm...If you encounter thisproblem, check out this article to see how tosuccessfully downloadAdwCleaner.

Note
: Ask being deleted by ADWCleaner, Antivir Webguard still not run after
the Ask deletion by ADWCleaner. To avoid this "problem", and at the
request of the internaut, you may use the option "Disable Ask Detection" in pressing both [Alt] + [A] once the ADWCleaner interface is launched.
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http://www.bleepingcomputer.com/download/adwcleaner/AdwCleaner Usage Instructions:
Using AdwCleaner is very simple. Simply download the program and run
it. You will then be presented with a screen that contains a Search and
Delete button. The Search button will cause
AdwCleaner to search your computer for unwanted programs and then
display a log showing the various files, folders, and registry entries
used by these programs.
To delete these unwanted programs simply click on the Delete
button, which will cause AdwCleaner to reboot your computer and remove
the files and registry entries associated with the various adware that
you are removing.
On reboot, AdwCleaner will display a log showing the
files, folders, and registry entries that were removed.

Please note that Antivir Webguard uses ASK Toolbar as part of its web
security. If you remove ASK by using Adwcleaner, Antivir Webguard will
no longer work properly. Therefore, if you use this program please use
the instructions below to access the options screen where you should
enable /DisableAskDetections before using AdwCleaner.

AdwCleaner also contains some advanced options that disable certain
detections. To access these options, you can click on the question mark
(?) in the upper left corner of the program and then click on Options.You will then be presented with a dialog where you can disable various detections. These options are described below: